package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo6 {
    public static void main(String[] args) {
        try(Connection conn = DBUtil.getConnection()){
            Statement stmt = conn.createStatement();
            String sql = "SELECT t.name,t.gender,c.name,c.floor "+
                         "FROM teacher t,class c "+
                         "WHERE t.id = c.teacher_id "+
                         "AND t.name = '王克晶'";

            ResultSet rs = stmt.executeQuery(sql);
            while(rs.next()){
//                String tName = rs.getString("t.name");
//                String tGender = rs.getString("t.gender");
//                String cName = rs.getString("c.name");
//                String cFloor = rs.getString("c.floor");
                String tName = rs.getString(1);
                String tGender = rs.getString(2);
                String cName = rs.getString(3);
                String cFloor = rs.getString(4);
                System.out.println(tName+" "+tGender+" "+cName+" "+cFloor);
            }
        }catch(SQLException e){
            e.printStackTrace();
        }
    }
}
